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Calculati (-17)*(+25)+(+17)*(+115)-(-17)*(+10). Vreau sa verific daca este corect


Răspuns :

(-17)*(+25)+(+17)*(+115)-(-17)*(+10)=
=(
-17)*(25-115-10)=
=
(-17)*(-100)=1700
=(-17)x(25-115-10)=
(-17 )x (-100)=
1700

sau:
-425 + 1955 +170=1530+170=1700